Johbo's Notes - Working on the Web
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Working on the Web

Johannes Bornhold blogging on software development and technical topics, mainly around Python based web development.

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Using Nix in Docker to build Sphinx documents

Sun 15 April 2018 by Johannes Bornhold in nixos Tags nix / docker / container

Building PDF documents via Sphinx depends of LaTeX being available, this resulted in quite heavy container images which took also very long to build. Out of curiosity I tested to build a minimal Texlive environment based on Nix and got surprisingly nice results, both the image size and the build time dropped significantly.

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Run a command with extra packages available

Thu 28 December 2017 by Johannes Bornhold in nixos Tags pip2nix / nix-shell

Small snippet how to run a command with a few extra dependencies inside of the environment in an ad-hoc fashion.

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Building a NixOS image for VirtualBox

Wed 27 December 2017 by Johannes Bornhold in nixos Tags nixos / virtualization / image

NixOS allows to easily build images of a machine configuration. This post shows in an example how to build a more recent version of the base image which NixOPS uses to spin off Virtualbox based machines. The idea should be applicable to all kinds of machine configurations.

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Minikube setup on macOS

Sun 19 November 2017 by Johannes Bornhold in cloud Tags nix / kubernetes / osx

Installation of minikube on OSX via Nix.

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NixOPS Defaults

Sat 18 November 2017 by Johannes Bornhold in nixos Tags nixops / nix

Quick note about the attribute "defaults" in a NixOPS network description.

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NixCon 2017 - Wrap Up

Thu 02 November 2017 by Johannes Bornhold in event Tags nix / nixcon

My personal review of NixCon 2017 in Munich. It's about topics I discussed, people I did meet, experiences I made and a few thoughts which I took with me.

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Building a NixOS container from macOS

Tue 31 October 2017 by Johannes Bornhold in nixos Tags nix / container

When experimenting with NixOS containers, it is sometimes quite nice to just build the container derivation and inspect the result. Being able to use the remote building features makes this even more convenient.

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NixCon 2017 - Hackathon Day 2

Tue 31 October 2017 by Johannes Bornhold in event Tags nix / event

Wrap up of the second hackathon day after NixCon 2017.

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Nixpkgs library discovery: remove

Tue 31 October 2017 by Johannes Bornhold in nixos Tags nix / library / nixpkgs / pip2nix

A quick example about how to use the library function remove to adjust a package's dependencies based on a given condition.

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Remote building

Tue 31 October 2017 by Johannes Bornhold in nixos Tags nix / nixos / nixops / osx

Quick note about the needed bits to get remote building for Nix into a working state on OSX.

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